4198399

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The smallest Kynea brilliant number of form 4^n + 2^(n+1) - 1 for n=11, i.e., 4^11 + 2^12 - 1 = 1399 * 3001. [Loungrides]

Submitted: 2020-02-03 19:23:24; Last Modified: 2020-02-03 20:07:52.